Finding the Fourth Proportional to 107,013,909.19, 147,679,950.51 and 58,121,337.19
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Solution
The fourth proportional to 107,013,909.19, 147,679,950.51 and 58,121,337.19 is: 80,207,855.82
Step by Step Solution
- Step 1: Write the proportion equation
107,013,909.19 : 147,679,950.51 = 58,121,337.19 : x - Step 2: Convert to fraction form
107,013,909.19/147,679,950.51 = 58,121,337.19/x - Step 3: Cross multiply
107,013,909.19x = 147,679,950.51 × 58,121,337.19 - Step 4: Simplify right side
107,013,909.19x = 8,583,356,198,765,216 - Step 5: Solve for x
x = 8,583,356,198,765,216/107,013,909.19 - Step 6: Final answer
x = 80,207,855.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.